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Note 6 - Intangible Assets - Intangible Assets (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Intangible assets, cost	$ 20,857,976	$ 20,524,925
Intangible assets, accumulated amortization	(18,060,231)	(16,913,379)
Intangible assets, carrying value	2,801,626	3,595,326
Computer Software, Intangible Asset [Member]
Intangible assets, cost	2,378,248	2,378,248
Intangible assets, accumulated amortization	(2,367,723)	(2,321,843)
Intangible assets, carrying value	$ 14,406	$ 40,185
Intangible assets, useful life (Year)	3 years	3 years
Portfolios and Client Lists [Member]
Intangible assets, cost	$ 7,739,665	$ 7,714,665
Intangible assets, accumulated amortization	(7,151,144)	(6,776,317)
Intangible assets, carrying value	$ 588,521	$ 938,348
Intangible assets, useful life (Year)	4 years	4 years
Client Acquisition Costs [Member]
Intangible assets, cost	$ 9,149,668	$ 8,841,617
Intangible assets, accumulated amortization	(6,950,968)	(6,224,824)
Intangible assets, carrying value	$ 2,198,699	$ 2,616,794
Intangible assets, useful life (Year)	4 years	4 years
PCI Certifiction [Member]
Intangible assets, cost	$ 449,000	$ 449,000
Intangible assets, accumulated amortization	(449,000)	(449,000)
Intangible assets, carrying value	$ 0	$ 0
Intangible assets, useful life (Year)	3 years	3 years
Trademarks [Member]
Intangible assets, cost	$ 703,586	$ 703,586
Intangible assets, accumulated amortization	(703,586)	(703,586)
Intangible assets, carrying value	$ 0	$ 0
Intangible assets, useful life (Year)	3 years	3 years
Internet Domain Names [Member]
Intangible assets, cost	$ 437,810	$ 437,810
Intangible assets, accumulated amortization	(437,810)	(437,810)
Intangible assets, carrying value	$ 0	$ 0
Intangible assets, useful life (Year)	3 years	3 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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X

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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X

- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

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-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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